Jouni,
I found the error! I got bored this past weekend and changed my
mathtext.fontset to 'stixsans' just to see hopw it would look -- and then
forgot about it. Changing that value back to 'cm' let's my original code and
pyTest.py run without errors.
I really appreciate your help with this and all of the other insight I've
gained from the regular contributers to this list.
Many thanks,
-paul
Regardless, here's my command line output with stixsans as my mathtext.fontset:
C:\Python25>python -i c:\gdag2009\python\pyTest.py -d pdf
Traceback (most recent call last):
File "c:\gdag2009\python\pyTest.py", line 12, in <module>
pl.savefig('some_math.pdf')
File "C:\Python25\Lib\site-packages\matplotlib\pyplot.py", line 356, in
savefig
return fig.savefig(*args, **kwargs)
File "C:\Python25\Lib\site-packages\matplotlib\figure.py", line 1032, in
savefig
self.canvas.print_figure(*args, **kwargs)
File "C:\Python25\Lib\site-packages\matplotlib\backends\backend_qt4agg.py",
line 144, in print_figure
FigureCanvasAgg.print_figure(self, *args, **kwargs)
File "C:\Python25\Lib\site-packages\matplotlib\backend_bases.py", line 1476,
in print_figure
**kwargs)
File "C:\Python25\Lib\site-packages\matplotlib\backend_bases.py", line 1334,
in print_pdf
return pdf.print_pdf(*args, **kwargs)
File "C:\Python25\Lib\site-packages\matplotlib\backends\backend_pdf.py", line
2025, in print_pdf
self.figure.draw(renderer)
File "C:\Python25\Lib\site-packages\matplotlib\artist.py", line 46, in
draw_wrapper
draw(artist, renderer, *kl)
File "C:\Python25\Lib\site-packages\matplotlib\figure.py", line 773, in draw
for a in self.axes: a.draw(renderer)
File "C:\Python25\Lib\site-packages\matplotlib\artist.py", line 46, in
draw_wrapper
draw(artist, renderer, *kl)
File "C:\Python25\Lib\site-packages\matplotlib\axes.py", line 1735, in draw
a.draw(renderer)
File "C:\Python25\Lib\site-packages\matplotlib\artist.py", line 46, in
draw_wrapper
draw(artist, renderer, *kl)
File "C:\Python25\Lib\site-packages\matplotlib\axis.py", line 757, in draw
self.label.draw(renderer)
File "C:\Python25\Lib\site-packages\matplotlib\text.py", line 565, in draw
ismath=ismath)
File "C:\Python25\Lib\site-packages\matplotlib\backends\backend_pdf.py", line
1516, in draw_text
if ismath: return self.draw_mathtext(gc, x, y, s, prop, angle)
File "C:\Python25\Lib\site-packages\matplotlib\backends\backend_pdf.py", line
1378, in draw_mathtext
self.file.output(self.encode_string(unichr(num), fonttype), Op.show)
ValueError: unichr() arg not in range(0x10000) (narrow Python build)
>>> from pdb import pm
>>> pm()
> c:\python25\lib\site-packages\matplotlib\backends\backend_pdf.py(1378)draw_mathtext()
-> self.file.output(self.encode_string(unichr(num), fonttype), Op.show)
(Pdb) p fontname, fontsize, num, symbol_name
('C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\STIXGeneralItalic.ttf',
7.0, 120378, 'u1D63A')
(Pdb) p s, width, height, descent, glyphs, rects, used_characters
('some math: $\\tau_{y}$', 72.0, 11.0, 3.0, [(0.0, 3.40625,
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\V
era.ttf', 10.0, 115, 's'), (5.2099609375, 3.40625,
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf',
10.0, 111, 'o'), (11.328125, 3.40625,
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf',
10.0, 109,
'm'), (21.0693359375, 3.40625,
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf',
10.0, 101, 'e'), (2
7.2216796875, 3.40625,
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf',
10.0, 32, 'space'), (30.400
390625, 3.40625,
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf',
10.0, 109, 'm'), (40.1416015625,
3.40625,
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf',
10.0, 97, 'a'), (46.26953125, 3.40625, 'C
:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf',
10.0, 116, 't'), (50.1904296875, 3.40625, 'C:\\Pytho
n25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf', 10.0,
104, 'h'), (56.5283203125, 3.40625, 'C:\\Python25\\lib
\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf', 10.0, 58,
'colon'), (59.8974609375, 3.40625, 'C:\\Python25\\lib\\sit
e-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf', 10.0, 32, 'space'),
(63.076171875, 3.40625, 'C:\\Python25\\lib\\site-pack
ages\\matplotlib\\mpl-data\\fonts\\ttf\\STIXNonUniIta.ttf', 10.0, 57835,
'uniE1EB'), (67.75616455078125, 2.046875, 'C:\\Python25\\
lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\STIXGeneralItalic.ttf',
7.0, 120378, 'u1D63A')], [], {'C:\\Python25\\lib\\si
te-packages\\matplotlib\\mpl-data\\fonts\\ttf\\STIXGeneralItalic.ttf':
('C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\f
onts\\ttf\\STIXGeneralItalic.ttf', set([120378])),
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf':
('C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\Vera.ttf',
set([32, 97, 101, 104, 109, 111, 115, 116, 58]))
,
'C:\\Python25\\lib\\site-packages\\matplotlib\\mpl-data\\fonts\\ttf\\STIXNonUniIta.ttf':
('C:\\Python25\\lib\\site-packages\\mat
plotlib\\mpl-data\\fonts\\ttf\\STIXNonUniIta.ttf', set([57835]))})
(Pdb) p fonttype, global_fonttype
(42, 42)
> -----Original Message-----
> From: Jouni K. Seppänen [mailto:[email protected]]
> Sent: Monday, October 12, 2009 1:18 PM
> To: [email protected]
> Subject: Re: [Matplotlib-users] Errors with PDF (TeX-string) output
> using Qt4Agg
>
> <[email protected]> writes:
>
> > File "C:\Python25\Lib\site-
> packages\matplotlib\backends\backend_pdf.py", line 1378, in
> draw_mathtext
> > self.file.output(self.encode_string(unichr(num), fonttype),
> Op.show)
> > ValueError: unichr() arg not in range(0x10000) (narrow Python build)
>
> Right, IPython really had mangled the traceback. That looks like the
> mathtext parser is outputting some characters outside the Basic
> Multilingual Plane. Could you try the following:
>
> python -i c:\GDAG2009\python\pyTest.py -d pdf
>
> Then when the error occurs, you should be at a Python prompt. Then
> type
> (or just copy and paste from here - be careful with the first two
> lines,
> since any exception will cause Python to forget the existing
> traceback):
>
> from pdb import pm
> pm()
> p fontname, fontsize, num, symbol_name
> p s, width, height, descent, glyphs, rects, used_characters
> p fonttype, global_fonttype
>
> It might work to set pdf.fonttype to 3 in matplotlibrc, but even if it
> helps, it would be useful to find the root of this problem.
>
> --
> Jouni K. Seppänen
> http://www.iki.fi/jks
>
>
> ----------------------------------------------------------------------
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